/Engine/Source/Runtime/Analytics/AnalyticsET/Public/AnalyticsSessionSummaryManager.h
Creates a new property store associated to this manager process group. The manager only sends an analytics session summary when all collecting processes have closed their property store. Ensure to flush and release the store before calling the managerShutdown()to ensure the session is sent as soon a possible. Subsequent calls to MakeStore will increment an internal counter in the store's filename.
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IAnalyticsPropertyStore](API\Runtime\Analytics\Interfaces\IAnalyticsPropertyStore) > MakeStore ( uint32 InitialCapacity )